ls6 manifold?

**02TransSD** · 07-31-2007, 06:54 PM

I have been told by someone that i have the ls6 intake manifold on my car and said i wouldn't have to change it out. Now as far as i know, my car was never modified and i have a basic 02 trans am. not the ws6 or firehawk. Is there anyway for me tell by looking at it if its the stock manifold or the ls6. I would like to know for sure before going ahead and buying a new one soon.

**Tyler_LS1** · 07-31-2007, 06:56 PM

Some 02's Came with them from the factory so ive heard but im not 100% sure.

and i would assume it was only the WS6's and SS's

**Y2KPewterSS** · 07-31-2007, 06:59 PM

ALL 2001 and 2002 fbodies got the LS6 intake.

**02TransSD** · 07-31-2007, 07:03 PM

Originally Posted by Y2KPewterSS

ALL 2001 and 2002 fbodies got the LS6 intake.

okay, cool.. how much extra hp does the ls6 add over the ls1 manifold?

**Y2KPewterSS** · 07-31-2007, 08:01 PM

Originally Posted by 02TransSD

okay, cool.. how much extra hp does the ls6 add over the ls1 manifold?

Most people see 10-15 RWHP gains with the LS6 intake over the LS1 intake.

**StuntmanMike** · 08-01-2007, 03:16 AM

Originally Posted by Y2KPewterSS

Most people see 10-15 RWHP gains with the LS6 intake over the LS1 intake.

Oh no kidding....I thought it was only five, that's what the factory changed the rating by in '01.

That's pretty cool.

One more reason to go for a '01/'02.

**9T8W66** · 08-01-2007, 07:27 AM

Originally Posted by StuntmanMike

Oh no kidding....I thought it was only five, that's what the factory changed the rating by in '01.

That's pretty cool.

One more reason to go for a '01/'02.

It's only 5 cause they changed the cam profile aswell. the `01-up LS1's all use the less aggressive 6.0 Truck Cam.
Adding the LS6 intake to an early LS1 will net you around 10-15 HP.

**StuntmanMike** · 08-01-2007, 05:30 PM

oh ok...thanks for the explanation!

**BULLET_WS6** · 08-01-2007, 05:38 PM

Originally Posted by 9T8W66

It's only 5 cause they changed the cam profile aswell. the `01-up LS1's all use the less aggressive 6.0 Truck Cam.
Adding the LS6 intake to an early LS1 will net you around 10-15 HP.

when they changed the cam it was a lower lift.. but also a lower lsa.. your point makes perfect sense so im not arguing it but i have a question on the matter.. the lobe was like 4 lower tho so does lobe not effect hp?

**02TransSD** · 08-01-2007, 06:47 PM

Originally Posted by 9T8W66

It's only 5 cause they changed the cam profile aswell. the `01-up LS1's all use the less aggressive 6.0 Truck Cam.
Adding the LS6 intake to an early LS1 will net you around 10-15 HP.

why did they go with a less aggressive cam? and any recommendations for a good priced/quality performance cam?

**BULLET_WS6** · 08-01-2007, 06:53 PM

Originally Posted by 02TransSD

why did they go with a less aggressive cam? and any recommendations for a good priced/quality performance cam?

this is based off assumption.. but i would say to keep it from being a huge diff between the years, while still giving the 01-02 an adv to having better airflow if mods done... for ex... you do complete intake exhaust, no need to do intake manifold because its allready done, then it doesnt really matter which cam you have because the diff is too little... or just swap it...
as for the good cam/price.. i have never seen a cam that was like more expensive then the other so you gotta kind of set a goal for what you want, driveability, choppy, heavy lobe, smooth.. you know find out what ya want

**9t8z28** · 08-01-2007, 06:59 PM

Originally Posted by 02TransSD

why did they go with a less aggressive cam? and any recommendations for a good priced/quality performance cam?

It benefited so they could remove the EGR

**02TransSD** · 08-01-2007, 07:32 PM

Originally Posted by BULLET_WS6

this is based off assumption.. but i would say to keep it from being a huge diff between the years, while still giving the 01-02 an adv to having better airflow if mods done... for ex... you do complete intake exhaust, no need to do intake manifold because its allready done, then it doesnt really matter which cam you have because the diff is too little... or just swap it...
as for the good cam/price.. i have never seen a cam that was like more expensive then the other so you gotta kind of set a goal for what you want, driveability, choppy, heavy lobe, smooth.. you know find out what ya want

Originally Posted by 9t8z28

It benefited so they could remove the EGR

ah cool, thanks

**Heartbreak1** · 08-01-2007, 07:34 PM

Yea, all us '99 guys had the biggest cam out of all the 98-02 Fbodys from the factory. Yet they left us with the chitty LS1 intake.

All of us 98-00 guys know how ugly and disturbing that air and egr system looks under the hood.

**9T8W66** · 08-02-2007, 08:28 AM

Originally Posted by Vertibird54

Yea, all us '99 guys had the biggest cam out of all the 98-02 Fbodys from the factory. Yet they left us with the chitty LS1 intake.

All of us 98-00 guys know how ugly and disturbing that air and egr system looks under the hood.

`98-`00 cams are all the same 198/209 500/500 119.5 LSA
`01 up cams are all the same 196/207 467/479 116 LSA
The LS1 Intake was discountinued after `00 because all cars recieved the LS6 manifold. Reason is it didn't make economic sense for GM to make 2 passenger car intakes. The EGR system was eliminated cause of the tighter lobe spread of the new camshft. And all the cars still have the AIR system.

**Heartbreak1** · 08-02-2007, 11:50 AM

Originally Posted by 9T8W66

`98-`00 cams are all the same 198/209 500/500 119.5 LSA

I beg to differ. I read somewhere that '99 had the biggest cam out of all the LS1 F-Body years. I'll find the article and post it.

EDIT: Here, you were right about them all being the same, but the numbers I found are different.
1998 - 2000 Fbody
202/210 int/exh @ 0.05" duration
0.496" / 0.496" int/exh lift
116 LSA

http://www.smokemup.com/tech/ls1.php

**2000T/A Guru** · 08-02-2007, 01:42 PM

Its not like it makes that big of a diff jes, i have beaten 99s and 01 and 02 and 98s and i have lost to 1 02. Of course these are all stock or close to the mods i have, I have lost to some moddified ls1s.

**blackls1ta** · 08-02-2007, 07:23 PM

Originally Posted by Vertibird54

Yea, all us '99 guys had the biggest cam out of all the 98-02 Fbodys from the factory. Yet they left us with the chitty LS1 intake.

All of us 98-00 guys know how ugly and disturbing that air and egr system looks under the hood.

yes ,know what you mean im gonna go with the fast intake and 90mm throttle body once i get the t-rex cam and afr heads next spring hopefully be around 400-450rwhp

**Heartbreak1** · 08-03-2007, 11:19 AM

Originally Posted by blackls1ta

yes ,know what you mean im gonna go with the fast intake and 90mm throttle body once i get the t-rex cam and afr heads next spring hopefully be around 400-450rwhp

What kind of exhaust set up are you gonna run with the tRex? Believe it or not, LM1 with hooker LT and ORY and the tRex cam sound bad ass.

**BULLET_WS6** · 08-03-2007, 01:52 PM

Originally Posted by Vertibird54

What kind of exhaust set up are you gonna run with the tRex? Believe it or not, LM1 with hooker LT and ORY and the tRex cam sound bad ass.

lol i havent heard n e thing sound bad with the t-rex.. you can run whatever headers and exhaust through stock heads adn that cams gonna make the car sound like a beasttt